CN202227141U - 用于制造纤维增强制品的方法和装置 - Google Patents

用于制造纤维增强制品的方法和装置 Download PDF

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CN202227141U
CN202227141U CN2011203011692U CN201120301169U CN202227141U CN 202227141 U CN202227141 U CN 202227141U CN 2011203011692 U CN2011203011692 U CN 2011203011692U CN 201120301169 U CN201120301169 U CN 201120301169U CN 202227141 U CN202227141 U CN 202227141U
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roller
groove
division
around
fibrous material
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R·萨勒瓦
J·S·达勒
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Ford Global Technologies LLC
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/143—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis
    • B26D1/1435—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/22—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a movable member, e.g. a roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/40—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D11/00—Combinations of several similar cutting apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D9/00—Cutting apparatus combined with punching or perforating apparatus or with dissimilar cutting apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/12—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat
    • B29C70/14—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat oriented
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/504—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/002—Inorganic yarns or filaments
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/002—Inorganic yarns or filaments
    • D04H3/004—Glass yarns or filaments
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/015—Natural yarns or filaments
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/02—Other than completely through work thickness
    • Y10T83/0267—Splitting
    • Y10T83/0281—By use of rotary blade
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0524—Plural cutting steps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2074—Including means to divert one portion of product from another
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4699—Combined with other type cutter
    • Y10T83/4702—With slitter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6476—Including means to move work from one tool station to another
    • Y10T83/6489—Slitter station
    • Y10T83/6491—And transverse cutter station

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  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
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  • Reinforced Plastic Materials (AREA)
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Abstract

一种用于生产制品的方法和装置。所述方法包括提供纤维材料，用分裂辊分裂所述纤维材料，以及将所述纤维材料切割为预期长度，所述分裂辊具有围绕所述分裂辊的圆周连续延伸的一组凹槽。

Description

用于制造纤维增强制品的方法和装置
技术领域
本实用新型涉及用于制造具有纤维材料的制品的方法和装置。
发明内容
在至少一个实施例中提供了一种生产制品的方法。所述方法包括提供纤维材料，用分裂辊分裂所述纤维材料，以及将所述纤维材料切割为预期长度。所述分裂辊具有围绕所述分裂辊的圆周连续延伸的一组凹槽。
在至少一个实施例中提供了一种用于生产制品的装置。所述装置包括分裂辊、切割辊和驱动辊。所述分裂辊被构造为围绕第一轴线旋转并且具有以大致平行关系围绕所述分裂辊的圆周延伸以用于分裂纤维材料的一组凹槽。所述切割辊与所述分裂辊间隔开并且被构造为围绕第二轴线旋转。所述驱动辊被构造为围绕所述第一轴线和所述第二轴线旋转所述分裂辊和所述切割辊。
在至少一个实施例中提供了一种用于生产制品的装置。所述装置包括分裂辊和驱动辊。所述分裂辊具有以大致平行关系围绕所述分裂辊的圆周延伸的一组凹槽。当所述驱动辊使得所述分裂辊旋转时纤维材料由所述分裂辊分离为束。
附图说明
以下，结合附图来详细说明本实用新型的实施例，其中：
图1是用于生产制品的示例性装置的侧视图。
图2是分裂辊的实施例的透视图。
图3是图2的分裂辊的局部截面图。
图4是分裂辊的另一个实施例的局部截面图。
图5是用于生产制品的方法的流程图。
具体实施方式
在本文中公开了本实用新型的详细实施例；然而应当理解所公开的实施例仅仅是可以以各种和替代形式体现的本实用新型的举例。图不必按比例，一些特征可以被放大或缩小以显示特定部件的细节。另外，来自一个实施例的任何或所有特征可以与任何其他实施例组合。所以，本文中所公开的具体结构和功能细节不应当被理解为限制，而是仅仅作为权利要求的代表性基础和/或作为用于教导本领域技术人员多样地利用本实用新型的代表性基础。
参考图1，显示了用于制造制品12的装置或机器10的侧视图。制品12可以是片状模塑化合物层压板，其可以包括树脂化合物14和多个纤维纱16。纤维纱16可以由纤维材料18制造，所述纤维材料可以是碳纤维、玻璃纤维、聚合物纤维、天然纤维或可以被提供以增强制品12的类似纤维。
机器10可以包括用于生产纤维纱16的装置20。装置20可以包括一个或多个纤维材料源22，例如纤维材料18卷绕在其上的卷轴。纤维材料18可以以丝带构造被提供并且可以包括可以大致在所述丝带的端部之间延伸的多个纤维或细丝。因而，纤维材料18的纤维可以大致彼此平行地被布置。而且，纤维中的至少一些可以在纤维材料18的端部之间连续地延伸并且可以相对于彼此不连续。
纤维材料18可以沿着或横越一个或多个导向辊24从纤维材料源22被解卷或进给，所述导向辊可以帮助定向纤维材料18和/或提供纤维材料18上的预期大小的张力。纤维材料18的进给方向26由图1中的箭头表示。
参考图1和2，纤维材料18可以从一个或多个导向辊24进给到分裂辊30。分裂辊30可以被构造为将纤维材料18分离为多个束32。可以作为连续流制造过程的一部分，分裂辊30允许诸如大丝束碳纤维的材料被分离为较小的束或有效地被分离为较小的丝束尺寸。这样的丝束尺寸减小可以改善诸如碳纤维面板或模塑层压板的模塑制品的材料分布和机械性能。另外，较大丝束纤维可以被用作代替更贵的小丝束纤维原料的材料源。
参考图2，更详细地显示了分裂辊30的一个实施例。在图2中，分裂辊30靠近一个端部被截断以更好地显示示例性横截面。另外，为了清楚起见仅仅显示了纤维材料18的一个丝带而不是多个丝带。分裂辊30可以由任何合适的材料制造，例如金属，例如铝、钢或它们的合金。而且，分裂辊30可以被阳极化或带有表面涂层，例如特氟隆
Figure BDA0000084291560000021
从而减小纤维材料18和分裂辊30之间的摩擦以在分裂之后帮助纤维材料18从分裂辊30脱离。
分裂辊30可以具有大体圆柱形主体并且可以被构造为围绕旋转轴线34旋转。分裂辊30的尺寸可以被确定为适应纤维材料18的多个丝带或进给。在一个示例性实施例中，分裂辊30可以为大约九英寸(228.6mm)长并且适应宽度为大约一英寸(25.4mm)的纤维材料18的多个进给。
分裂辊30可以具有外表面40。外表面40的一部分可以带有一组凹槽42。这组凹槽42可以通过从分裂辊30的端部延伸的一对平坦部44或无凹槽表面与分裂辊30的相对端部间隔开。这组凹槽42的构件可以围绕分裂辊30的圆周连续地延伸。因而，这组凹槽42的构件可以大体上大致垂直于旋转轴线34被布置并且可以以大致平行关系被布置(即，凹槽可以被布置在大致平行的平面中)。齿46可以被布置在相邻凹槽42之间。
参考图3和4，显示了具有凹槽42的组的不同实施例的分裂辊30的放大图。在每个实施例中，纤维材料18的分裂可以在与分裂辊30接合时开始并且可以在从分裂辊30脱离之前或与之同时完成。
在图3中，这组凹槽42以重复布置的形式提供。在该实施例中，每个凹槽42的宽度(在沿着旋转轴线34的方向上延伸)大于每个齿46的宽度。例如，每个凹槽42可以具有大约0.04英寸(1mm)的宽度并且每个齿46可以具有大约0.02英寸(0.5mm)的宽度，导致凹槽42是齿46的大约两倍宽。凹槽42可以带有大于它的宽度的深度(从分裂辊30的圆周径向地朝着旋转轴线34延伸)。在一个示例性实施例中，凹槽42可以具有大约0.05英寸(1.27mm)的深度。在至少一个实施例中，齿46可以具有与平坦部44相同的高度。
每个凹槽42和齿46可以被构造为不具有锐边或角以有助于将纤维材料18分离为束，同时抑制或减少切断单独的纤维。例如，每个齿46可以具有尖端50，所述尖端为圆形或带有连续半径以有助于将纤维推动到相邻凹槽42中。类似地，每个凹槽42可以在接近齿46的根部的它的底部具有曲率半径或区域52。在每个凹槽42的底部的曲率半径或区域52可以小于在每个齿46的尖端50的曲率半径或区域。因而，每个凹槽42的底部可以包括平坦部分54。在每个凹槽42的底部的较小曲率半径或区域52可以被提供以增加每个凹槽42的体积或容量和/或有助于抑制束堵塞凹槽42，同时改善齿46的耐用性和可制造性。
在图4中，以重复蛇形布置显示了一组凹槽42′。在该实施例中，每个凹槽42′的宽度与每个齿46′的宽度大约相同。例如，每个凹槽42′和齿46′可以具有大约0.02英寸(0.5mm)的宽度。因而，凹槽42′和齿46′可以大体上被构造为彼此的镜像。凹槽42′可以被构造为具有大于它的宽度的深度。例如，每个42′可以具有大约0.125英寸(3.175mm)的深度。每个凹槽42′和齿46′可以被构造为不具有锐边或角以有助于将纤维材料18分离为束，同时抑制或减少切断单独的纤维。每个齿46′的尖端50′和每个凹槽42′的底部52′可以带有连续曲率半径或区域。在一个或多个实施例中这些半径可以相同。在每个凹槽42′的底部52′的连续半径可以有助于促进束32从每个凹槽42′释放以抑制堵塞和改善齿46′的耐用性和可制造性。
再次参考图1，装置20也可以包括驱动辊60和切割轮或切割辊62。驱动辊60可以被构造为围绕旋转轴线64旋转。切割辊62可以被构造为围绕旋转轴线66旋转。在至少一个实施例中，一个或多个旋转轴线34，64，66可以大致彼此平行地布置。
驱动辊60可以被构造为接合和旋转分裂辊30和/或切割辊62。更具体地，驱动辊60可以联接到致动器，例如电气、气动或液压致动器，所述致动器可以适合于使驱动辊60围绕它的旋转轴线64旋转。驱动辊60的旋转然后可以使分裂辊30和/或切割辊62围绕它们各自的旋转轴线34和66旋转。这样的布置可以允许分裂辊30紧靠切割辊62被放置以在纤维材料18被分离为束32之后减小它缠结或再聚束的可能性。驱动辊60可以被构造为沿与纤维材料18的进给方向26相同的方向旋转分裂辊30以有助于保持纤维材料18上的张力和有助于抑制分裂辊30的堵塞，如围绕图2中的旋转轴线34布置的箭头所示。
驱动辊60可以包括围绕它的外圆周布置的覆盖层68。覆盖层68可以由诸如橡胶的弹性材料制造以抑制磨损和提供作用于纤维材料18的预期大小的摩擦，从而有助于牵引纤维材料18和/或抑制相对于分裂辊30和/或切割辊62的滑动。
切割辊62可以包括将束32切割为较短纤维纱16的多个刀片或齿。例如切割辊62可以包括多个间隔开的切割刃，所述切割刃被构造为抵靠驱动辊60切割束32。切割刃可以被构造为将束32切割为任何预期长度，例如大约1到2英寸(25.4mm到50.8mm)的长度。另外，切割可以作为干式工艺而发生，而不需要用水或另一种液体湿润纤维材料18。产生的纤维纱16然后可以被收集或分配到传送带70上并且随后被处理以形成制品12。
参考图5，显示了制造制品12的示例性方法的流程图。在100，可以将诸如纤维材料18的材料提供给装置20，如先前所述。在102，可以用分裂辊30将纤维材料18分裂或分离为束32，如上所述。在104，可以将束32切割为具有较短长度的纤维纱16。在106，可以使用纤维纱16制造复合材料。在一个示例性实施例中，可以将纤维纱16置于树脂糊剂14所应用到的防粘膜72上。在美国专利7,691,223中描述了用于制造制品的示例性方法，该专利被转让给本实用新型的受让人并且通过引用完整地合并于此。
尽管说明和描述了本实用新型的实施例，但是这些实施例并非旨在说明和描述本实用新型的所有可能形式。相反地，在说明书中使用的词语是描述性的而不是限制性的词语，并且应当理解可以进行各种变化而不脱离本实用新型的精神和范围。

Claims (7)

1.一种用于生产纤维增强制品的装置，其特征是，包括：
分裂辊，所述分裂辊被构造为围绕第一轴线旋转，所述分裂辊具有以大致平行关系围绕所述分裂辊的圆周延伸以用于分裂纤维材料的一组凹槽；
切割辊，所述切割辊与所述分裂辊间隔开并且被构造为围绕第二轴线旋转；以及
驱动辊，所述驱动辊被构造为围绕所述第一轴线和所述第二轴线旋转所述分裂辊和所述切割辊。
2.根据权利要求1所述的装置，其特征是，所述第一轴线和所述第二轴线大致彼此平行地被布置。
3.根据权利要求1所述的装置，其特征是，每个凹槽的深度大于每个凹槽的宽度。
4.根据权利要求1所述的装置，其特征是，每个凹槽包括具有恒定曲率半径的底部表面。
5.根据权利要求1所述的装置，其特征是，所述一组凹槽的每个构件通过围绕所述分裂辊的圆周连续延伸的齿与所述一组凹槽的相邻构件分离。
6.根据权利要求5所述的装置，其特征是，所述齿包括具有恒定曲率半径的尖端。
7.根据权利要求5所述的装置，其特征是，每个凹槽包括具有平坦部分的底部表面，所述平坦部分布置为与布置在所述齿的根部的曲率半径相邻。
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